[sabrina-bongiovanni]

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Closes #8470

The PR would also need cherry-picking on 18.x and main, in order to provide a more "human-readable" error. However, is not as urgent as the page does not crash and it merely shows a less clear message.

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[sneridagh]

@sabrina-bongiovanni @giuliaghisini https://github.com/plone/volto/releases/tag/17.23.1